Who does Nadira meet on the Barnard campus during Aisha's interview in Section 10: Chapter 12? What does she think of the campus?

Walking around campus, Nadira meets an Asian girl who is studying to become a geologist, and the girl explains people thought she was weird in high school for her fascination with rocks, but in college, lots of people are interested in strange things. Nadira imagines herself at college for the first time.